1. Department of Medical Genetics, King Faisal Specialist Hospital and Research Centre (KFSH&RC), Riyadh, Saudi Arabia, , College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
2. Department of Neurosciences, King Faisal Specialist Hospital and Research Centre (KFSH&RC), Riyadh, Saudi Arabia
3. Department of Radiology, King Faisal Specialist Hospital and Research Centre (KFSH&RC), Riyadh, Saudi Arabia
4. Department of Pediatrics, King Fahad Medical City, Riyadh, Saudi Arabia
5. Department of Medical Genetics, King Faisal Specialist Hospital and Research Centre (KFSH&RC), Riyadh, Saudi Arabia, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
6. Department of Pathology and Laboratory Medicine, King Faisal Specialist Hospital and Research Centre (KFSH&RC), Riyadh, Saudi Arabia
7. Department of Pathology and Laboratory Medicine, King Faisal Specialist Hospital and Research Centre (KFSH&RC), Riyadh, Saudi Arabia, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia